Nummer: 18712b
| Area : | Western Area |
| Sea area : | English Channel |
| Date of attack : | 26.12.1944 |
| Time of attack : | 14:14 |
| Nationality of U-boat : | German |
| U-boat : | U 486 |
| Commander : | Meyer |
| Grid : | BF 3528 |
| presumed target type : | Destroyer |
| presumed result : | sunk |
| Number of torpedoes/mines : | 1 |
| Used weapon(s) : | Acoustic homing torpedo (gnat) |
| Convoy : | E.G.1 |
| Date of observation : | 26.12.1944 |
| Nationality of target : | British |
| Actual type of target : | Fregate |
| Name of target : | Affleck (K.462) |
| Year of launch : | 1943 |
| Actual tonnage : | 1085 ts |
| Actual result : | not repaired, total loss |
| Position of target : | 49.48n 01.43w |
| Footnote : | U-486 observed two hits by gnats after 1:39 min and 1:41 min, and heard a third gnat detonation after 7:00 min. |
| related attacks : | Angriff 1 Angriff 2 |
Fregate Affleck (K.462) ex American Destroyer Escort DE.71 (bis 1943)
| Convoy : | E.G.1 |
| updated on: | 00.00.0000 |
| Remark: | PF ex am DE |